Epsilon Eridani - Active chromosphere associated with enhanced microturbulence

Details Epsilon Eridani - Active chromosphere associated with enhanced microturbulence Epsilon Eridani - Active chromosphere associated with enhanced microturbulence

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a....99..192s&link_type=abstract

Astronomy and Astrophysics, vol. 99, no. 1, June 1981, p. 192-194.

Astronomy and Astrophysics

Astrophysics

16

Chromosphere, Dwarf Stars, Late Stars, Stellar Atmospheres, Abundance, Atmospheric Circulation, Atmospheric Turbulence, Convection, Plasma Turbulence, Velocity Distribution

Scientific paper

High-resolution spectra of late-type dwarfs including the sun show Epsilon Eri to be exceptional by its intense small-scale photospheric velocity field. This is discussed in relation to the star's well-documented high chromospheric activity. Abundance analysis suggests that the chromosphere of Epsilon Eri is less massive than reported previously.

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